US4832069A - Tapping subterranean pipes - Google Patents
Tapping subterranean pipes Download PDFInfo
- Publication number
- US4832069A US4832069A US07/008,164 US816487A US4832069A US 4832069 A US4832069 A US 4832069A US 816487 A US816487 A US 816487A US 4832069 A US4832069 A US 4832069A
- Authority
- US
- United States
- Prior art keywords
- pipe
- main
- tapping
- excavation
- liner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000009412 basement excavation Methods 0.000 claims abstract description 29
- 238000005553 drilling Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 26
- 239000000853 adhesive Substances 0.000 description 12
- 230000001070 adhesive effect Effects 0.000 description 12
- 239000002184 metal Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/04—Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/561—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using screw-threads being integral at least to one of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
- B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
- B29C66/52293—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being external
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52298—Joining tubular articles involving the use of a socket said socket being composed by several elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/824—Actuating mechanisms
- B29C66/8242—Pneumatic or hydraulic drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
- Y10T137/0441—Repairing, securing, replacing, or servicing pipe joint, valve, or tank
- Y10T137/0458—Tapping pipe, keg, or tank
- Y10T137/0463—Particular aperture forming means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/598—With repair, tapping, assembly, or disassembly means
- Y10T137/612—Tapping a pipe, keg, or apertured tank under pressure
- Y10T137/6123—With aperture forming means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/03—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/561—Having tool-opposing, work-engaging surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8602272 | 1986-01-30 | ||
GB868602272A GB8602272D0 (en) | 1986-01-30 | 1986-01-30 | Tapping pipes |
GB8610015 | 1986-04-24 | ||
GB868610015A GB8610015D0 (en) | 1986-01-30 | 1986-04-24 | Tapping pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
US4832069A true US4832069A (en) | 1989-05-23 |
Family
ID=26290294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/008,164 Expired - Lifetime US4832069A (en) | 1986-01-30 | 1987-01-29 | Tapping subterranean pipes |
Country Status (3)
Country | Link |
---|---|
US (1) | US4832069A (en) |
EP (1) | EP0235917A1 (en) |
GB (1) | GB2185916B (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5076311A (en) * | 1991-05-09 | 1991-12-31 | Marquip Inc. | Directly installed shut-off valve assembly for flowing high pressure line |
US5462077A (en) * | 1994-03-31 | 1995-10-31 | Brooklyn Union Gas Co. | Apparatus and method for shutting off fluid flow in a pipe main |
US5613807A (en) * | 1993-03-26 | 1997-03-25 | Tti Trenchless Technologies, Inc. | Apparatus for down hold fusing |
US5649786A (en) * | 1993-03-26 | 1997-07-22 | Tti Trenchless Technologies, Inc. | Apparatus for down hole fusing |
US5659935A (en) * | 1993-12-30 | 1997-08-26 | Gaz De France | Apparatus for installing a branch tapping on a pipe |
EP0792208A1 (en) * | 1993-03-26 | 1997-09-03 | T T I Trenchless Technologies, Inc. | Apparatus and method for down hole fusing |
US5794644A (en) * | 1993-06-21 | 1998-08-18 | Paylor; Christopher John | Adaptor tools and method to expose valve |
US5842496A (en) * | 1996-12-31 | 1998-12-01 | Transcanada Pipelines Limited | Hot tap connection and method for production thereof |
US5896885A (en) * | 1996-06-11 | 1999-04-27 | Phillips Petroleum Company | Tapping saddle pipe fitting |
US5950654A (en) * | 1993-06-18 | 1999-09-14 | Liphook Couplers Systems Inc. | Adaptor tools and method to expose valve |
US6024515A (en) * | 1996-03-04 | 2000-02-15 | Nicor Technologies Inc. | Live service pipe insertion apparatus and method |
US6032559A (en) * | 1997-10-09 | 2000-03-07 | Dean, Jr.; William R. | Fill riser cold punch |
US6142165A (en) * | 1997-09-10 | 2000-11-07 | Gaz De France | Method and apparatus for installing a branch connector from the top of an excavation |
US6394701B1 (en) * | 1998-02-05 | 2002-05-28 | Lattice Intellectual Property Limited | Cable guide for pipes |
US6551034B1 (en) | 2000-07-06 | 2003-04-22 | David Albert Nyhuis | Drilling apparatus for tapping into a fluid containing vessel |
US6609854B2 (en) * | 2001-06-26 | 2003-08-26 | Bridgestone Corporation | Structure and method for detecting an inflated state of a flexible membrane dam |
EP1533560A1 (en) * | 2003-11-19 | 2005-05-25 | Uponor Innovation Ab | Method of relining an underground pipe |
US20050242576A1 (en) * | 2004-04-15 | 2005-11-03 | Gaz De France | Method for connecting a branch pipe to a main pipeline and underground network for distributing for distributing fluid |
US20060002766A1 (en) * | 2004-06-30 | 2006-01-05 | Hutton William M | Apparatus and process for installing "t" couplings on underground pipe |
US20070210576A1 (en) * | 2006-03-09 | 2007-09-13 | Shook William E | Connection between a lateral and main pipe and method for making same |
US20080272592A1 (en) * | 2007-05-02 | 2008-11-06 | Tdw Delaware, Inc. | Self-Contained Keyhole Weld Fitting And Method Of Use |
US20090185865A1 (en) * | 2005-11-16 | 2009-07-23 | The Charles Machine Works, Inc. | Soft excavation potholing method and apparatus |
US20140167763A1 (en) * | 2012-12-14 | 2014-06-19 | Consolidated Edison Company Of New York, Inc. | Tracer wire connector devices and methods for use |
US8757930B2 (en) * | 2009-08-12 | 2014-06-24 | Lmk Technologies, Llc | Apparatus and method for providing access to a buried pipe |
US20190257463A1 (en) * | 2018-02-21 | 2019-08-22 | Consolidated Edison Company Of New York, Inc. | Launch system for underground gas main stop-off station |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8719594D0 (en) * | 1987-08-19 | 1987-09-23 | Water Res Centre | Hole saw device |
GB2212514B (en) * | 1987-11-19 | 1992-07-08 | Sev Trent Water Authority | Cathodic protection of subterranean pipes |
FR2648538B1 (en) * | 1989-06-19 | 1991-09-13 | Gaz De France | METHOD AND APPARATUS FOR POSITIONING WORKPIECES ON PIPES |
FR2738614B1 (en) * | 1995-09-12 | 1997-10-17 | Gaz De France | METHOD FOR CONNECTING A BYPASS TO A MAIN PIPING |
FR2753254B1 (en) * | 1996-09-09 | 1998-10-16 | Gaz De France | CONDUIT CONNECTION METHOD |
NO321587B1 (en) | 2004-10-12 | 2006-06-06 | Statoil Asa | Hot tap staples |
NO20170884A1 (en) * | 2017-05-30 | 2018-06-25 | Talgoe Teknologi As | Apparatus for piercing an elongate tubular body and method of use of the apparatus |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US314085A (en) * | 1885-03-17 | And tapping- apparatus | ||
US578418A (en) * | 1897-03-09 | Tapping-machine | ||
US2736335A (en) * | 1953-03-23 | 1956-02-28 | Claude H Webber | Tapping and cutoff connection to plastic fluid pressure main |
US3104456A (en) * | 1960-06-27 | 1963-09-24 | Jr Jonathan S Powell | Method of connecting service lines to mains |
US3799182A (en) * | 1972-04-28 | 1974-03-26 | Inst Gas Technology | Add-on stopper valve for existing piping |
US4119115A (en) * | 1976-03-19 | 1978-10-10 | British Gas Corporation | Stopping fluid flow in pipes |
US4627648A (en) * | 1985-12-09 | 1986-12-09 | Uroplast Inc. | Pipe saddle joint and assembly |
US4647073A (en) * | 1985-06-25 | 1987-03-03 | Etsuji Kosaka | Clamping device for underground pipes |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE305067C (en) * | ||||
DE631763C (en) * | 1934-12-08 | 1936-06-26 | Schmitt Karl | Non-iron pipe connection |
US3293952A (en) * | 1963-07-30 | 1966-12-27 | Philip R Fairbanks | Pipe hole cutter and method |
US3714959A (en) * | 1971-03-05 | 1973-02-06 | Robinair Mfg Corp | Permanent piercing access valve |
GB1366521A (en) * | 1971-10-01 | 1974-09-11 | Sp K Bjuro Mosstroi | Device for cutting holes in walls of pipelines or pressure vessels |
US3847501A (en) * | 1973-05-29 | 1974-11-12 | J Doty | Drill and tap attachment for pipe clamps |
FR2231915A1 (en) * | 1973-06-04 | 1974-12-27 | Fournier Henri | Temporary coupling for pipe and machine - has shoes on levers controlled by double threaded bolt carrying shoe |
GB1509872A (en) * | 1976-01-28 | 1978-05-04 | Kimmon Mfg Co Ltd | Device for providing a branch connection on a tubular mai |
GB2092925B (en) * | 1981-02-13 | 1984-08-30 | Yarnell Ian Roland | Drilling jig mountable within a vertical shaft |
-
1987
- 1987-01-27 GB GB8701732A patent/GB2185916B/en not_active Expired - Fee Related
- 1987-01-27 EP EP19870300671 patent/EP0235917A1/en not_active Withdrawn
- 1987-01-29 US US07/008,164 patent/US4832069A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US314085A (en) * | 1885-03-17 | And tapping- apparatus | ||
US578418A (en) * | 1897-03-09 | Tapping-machine | ||
US2736335A (en) * | 1953-03-23 | 1956-02-28 | Claude H Webber | Tapping and cutoff connection to plastic fluid pressure main |
US3104456A (en) * | 1960-06-27 | 1963-09-24 | Jr Jonathan S Powell | Method of connecting service lines to mains |
US3799182A (en) * | 1972-04-28 | 1974-03-26 | Inst Gas Technology | Add-on stopper valve for existing piping |
US4119115A (en) * | 1976-03-19 | 1978-10-10 | British Gas Corporation | Stopping fluid flow in pipes |
US4647073A (en) * | 1985-06-25 | 1987-03-03 | Etsuji Kosaka | Clamping device for underground pipes |
US4627648A (en) * | 1985-12-09 | 1986-12-09 | Uroplast Inc. | Pipe saddle joint and assembly |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5076311A (en) * | 1991-05-09 | 1991-12-31 | Marquip Inc. | Directly installed shut-off valve assembly for flowing high pressure line |
US5613807A (en) * | 1993-03-26 | 1997-03-25 | Tti Trenchless Technologies, Inc. | Apparatus for down hold fusing |
US5649786A (en) * | 1993-03-26 | 1997-07-22 | Tti Trenchless Technologies, Inc. | Apparatus for down hole fusing |
EP0792208A1 (en) * | 1993-03-26 | 1997-09-03 | T T I Trenchless Technologies, Inc. | Apparatus and method for down hole fusing |
EP0792208A4 (en) * | 1993-03-26 | 1998-08-12 | Tti Trenchless Tech Inc | Apparatus and method for down hole fusing |
US5950654A (en) * | 1993-06-18 | 1999-09-14 | Liphook Couplers Systems Inc. | Adaptor tools and method to expose valve |
US5794644A (en) * | 1993-06-21 | 1998-08-18 | Paylor; Christopher John | Adaptor tools and method to expose valve |
US5659935A (en) * | 1993-12-30 | 1997-08-26 | Gaz De France | Apparatus for installing a branch tapping on a pipe |
US5462077A (en) * | 1994-03-31 | 1995-10-31 | Brooklyn Union Gas Co. | Apparatus and method for shutting off fluid flow in a pipe main |
US6024515A (en) * | 1996-03-04 | 2000-02-15 | Nicor Technologies Inc. | Live service pipe insertion apparatus and method |
US5896885A (en) * | 1996-06-11 | 1999-04-27 | Phillips Petroleum Company | Tapping saddle pipe fitting |
US5842496A (en) * | 1996-12-31 | 1998-12-01 | Transcanada Pipelines Limited | Hot tap connection and method for production thereof |
US6142165A (en) * | 1997-09-10 | 2000-11-07 | Gaz De France | Method and apparatus for installing a branch connector from the top of an excavation |
US6032559A (en) * | 1997-10-09 | 2000-03-07 | Dean, Jr.; William R. | Fill riser cold punch |
US6394701B1 (en) * | 1998-02-05 | 2002-05-28 | Lattice Intellectual Property Limited | Cable guide for pipes |
US6551034B1 (en) | 2000-07-06 | 2003-04-22 | David Albert Nyhuis | Drilling apparatus for tapping into a fluid containing vessel |
US6609854B2 (en) * | 2001-06-26 | 2003-08-26 | Bridgestone Corporation | Structure and method for detecting an inflated state of a flexible membrane dam |
EP1533560A1 (en) * | 2003-11-19 | 2005-05-25 | Uponor Innovation Ab | Method of relining an underground pipe |
US20050242576A1 (en) * | 2004-04-15 | 2005-11-03 | Gaz De France | Method for connecting a branch pipe to a main pipeline and underground network for distributing for distributing fluid |
US7325559B2 (en) * | 2004-04-15 | 2008-02-05 | Gaz De France | Method for connecting a branch pipe to a main pipeline and underground network for distributing fluid |
US20060002766A1 (en) * | 2004-06-30 | 2006-01-05 | Hutton William M | Apparatus and process for installing "t" couplings on underground pipe |
US7018137B2 (en) * | 2004-06-30 | 2006-03-28 | Omega Tools, Inc. | Apparatus and process for installing “T” couplings on underground pipe |
US20090185865A1 (en) * | 2005-11-16 | 2009-07-23 | The Charles Machine Works, Inc. | Soft excavation potholing method and apparatus |
US20070210576A1 (en) * | 2006-03-09 | 2007-09-13 | Shook William E | Connection between a lateral and main pipe and method for making same |
US7674072B2 (en) * | 2006-03-09 | 2010-03-09 | Shook William E | Connection between a lateral and main pipe and method for making same |
WO2008137411A1 (en) * | 2007-05-02 | 2008-11-13 | Tdw Delaware, Inc. | Self-contained keyhole weld fitting and method of use |
US20080272592A1 (en) * | 2007-05-02 | 2008-11-06 | Tdw Delaware, Inc. | Self-Contained Keyhole Weld Fitting And Method Of Use |
US7699564B2 (en) | 2007-05-02 | 2010-04-20 | Tdw Delaware, Inc. | Self-contained keyhold weld fitting and method of use |
US8757930B2 (en) * | 2009-08-12 | 2014-06-24 | Lmk Technologies, Llc | Apparatus and method for providing access to a buried pipe |
US9151410B2 (en) | 2009-08-12 | 2015-10-06 | Lmk Technologies, Llc | Apparatus and method for providing access to a buried pipe |
US20140167763A1 (en) * | 2012-12-14 | 2014-06-19 | Consolidated Edison Company Of New York, Inc. | Tracer wire connector devices and methods for use |
US20190257463A1 (en) * | 2018-02-21 | 2019-08-22 | Consolidated Edison Company Of New York, Inc. | Launch system for underground gas main stop-off station |
US10527217B2 (en) * | 2018-02-21 | 2020-01-07 | Consolidated Edison Company Of New York, Inc. | Launch system for underground gas main stop-off station |
Also Published As
Publication number | Publication date |
---|---|
GB2185916A (en) | 1987-08-05 |
GB8701732D0 (en) | 1987-03-04 |
GB2185916B (en) | 1990-10-10 |
EP0235917A1 (en) | 1987-09-09 |
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